28920700

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2262

約数の個数: 36

約数和(自身を含む): 63245952

約数和(自身を除く): 34325252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2111, 2740, 3425, 4222, 6850, 8444, 10555, 13700, 21110, 42220, 52775, 105550, 211100, 289207, 578414, 1156828, 1446035, 2892070, 5784140, 7230175, 14460350, 28920700]

約数ペア:

[(1, 28920700), (2, 14460350), (4, 7230175), (5, 5784140), (10, 2892070), (20, 1446035), (25, 1156828), (50, 578414), (100, 289207), (137, 211100), (274, 105550), (548, 52775), (685, 42220), (1370, 21110), (2111, 13700), (2740, 10555), (3425, 8444), (4222, 6850)]